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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: _dc.i
3 // Purpose: SWIG interface defs for wxDC and releated classes
4 //
5 // Author: Robin Dunn
6 //
7 // Created: 7-July-1997
8 // RCS-ID: $Id$
9 // Copyright: (c) 2003 by Total Control Software
10 // Licence: wxWindows license
11 /////////////////////////////////////////////////////////////////////////////
12
13 // Not a %module
14
15
16
17 //---------------------------------------------------------------------------
18
19 %{
20 #include "wx/wxPython/pydrawxxx.h"
21 %}
22
23 // TODO: 1. wrappers for wxDrawObject and wxDC::DrawObject
24
25
26 //---------------------------------------------------------------------------
27
28 %typemap(in) (int points, wxPoint* points_array ) {
29 $2 = wxPoint_LIST_helper($input, &$1);
30 if ($2 == NULL) SWIG_fail;
31 }
32 %typemap(freearg) (int points, wxPoint* points_array ) {
33 if ($2) delete [] $2;
34 }
35
36
37 //---------------------------------------------------------------------------
38 %newgroup;
39
40
41 DocStr(wxDC,
42 "A wx.DC is a device context onto which graphics and text can be
43 drawn. It is intended to represent a number of output devices in a
44 generic way, so a window can have a device context associated with it,
45 and a printer also has a device context. In this way, the same piece
46 of code may write to a number of different devices, if the device
47 context is used as a parameter.
48
49 Derived types of wxDC have documentation for specific features only,
50 so refer to this section for most device context information.
51
52 The wx.DC class is abstract and can not be instantiated, you must use
53 one of the derived classes instead. Which one will depend on the
54 situation in which it is used.", "");
55
56 class wxDC : public wxObject {
57 public:
58 // wxDC(); **** abstract base class, can't instantiate.
59 ~wxDC();
60
61
62 %pythoncode {
63 %# These have been deprecated in wxWidgets. Since they never
64 %# really did anything to begin with, just make them be NOPs.
65 def BeginDrawing(self): pass
66 def EndDrawing(self): pass
67 }
68
69
70
71 // TODO virtual void DrawObject(wxDrawObject* drawobject);
72
73
74 DocStr(
75 FloodFill,
76 "Flood fills the device context starting from the given point, using
77 the current brush colour, and using a style:
78
79 - **wxFLOOD_SURFACE**: the flooding occurs until a colour other than
80 the given colour is encountered.
81
82 - **wxFLOOD_BORDER**: the area to be flooded is bounded by the given
83 colour.
84
85 Returns False if the operation failed.
86
87 Note: The present implementation for non-Windows platforms may fail to
88 find colour borders if the pixels do not match the colour
89 exactly. However the function will still return true.", "");
90 bool FloodFill(wxCoord x, wxCoord y, const wxColour& col, int style = wxFLOOD_SURFACE);
91 %Rename(FloodFillPoint, bool, FloodFill(const wxPoint& pt, const wxColour& col, int style = wxFLOOD_SURFACE));
92
93 // fill the area specified by rect with a radial gradient, starting from
94 // initialColour in the centre of the cercle and fading to destColour.
95
96 DocDeclStr(
97 void , GradientFillConcentric(const wxRect& rect,
98 const wxColour& initialColour,
99 const wxColour& destColour,
100 const wxPoint& circleCenter),
101 "Fill the area specified by rect with a radial gradient, starting from
102 initialColour in the center of the circle and fading to destColour on
103 the outside of the circle. The circleCenter argument is the relative
104 coordinants of the center of the circle in the specified rect.
105
106 Note: Currently this function is very slow, don't use it for real-time
107 drawing.", "");
108
109
110 DocDeclStr(
111 void , GradientFillLinear(const wxRect& rect,
112 const wxColour& initialColour,
113 const wxColour& destColour,
114 wxDirection nDirection = wxEAST),
115 "Fill the area specified by rect with a linear gradient, starting from
116 initialColour and eventually fading to destColour. The nDirection
117 parameter specifies the direction of the colour change, default is to
118 use initialColour on the left part of the rectangle and destColour on
119 the right side.", "");
120
121
122
123 DocStr(
124 GetPixel,
125 "Gets the colour at the specified location on the DC.","");
126 %extend {
127 wxColour GetPixel(wxCoord x, wxCoord y) {
128 wxColour col;
129 self->GetPixel(x, y, &col);
130 return col;
131 }
132 wxColour GetPixelPoint(const wxPoint& pt) {
133 wxColour col;
134 self->GetPixel(pt, &col);
135 return col;
136 }
137 }
138
139
140 DocStr(
141 DrawLine,
142 "Draws a line from the first point to the second. The current pen is
143 used for drawing the line. Note that the second point is *not* part of
144 the line and is not drawn by this function (this is consistent with
145 the behaviour of many other toolkits).", "");
146 void DrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
147 %Rename(DrawLinePoint, void, DrawLine(const wxPoint& pt1, const wxPoint& pt2));
148
149
150 DocStr(
151 CrossHair,
152 "Displays a cross hair using the current pen. This is a vertical and
153 horizontal line the height and width of the window, centred on the
154 given point.", "");
155 void CrossHair(wxCoord x, wxCoord y);
156 %Rename(CrossHairPoint, void, CrossHair(const wxPoint& pt));
157
158
159 DocStr(
160 DrawArc,
161 "Draws an arc of a circle, centred on the *center* point (xc, yc), from
162 the first point to the second. The current pen is used for the outline
163 and the current brush for filling the shape.
164
165 The arc is drawn in an anticlockwise direction from the start point to
166 the end point.", "");
167 void DrawArc(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc);
168 %Rename(DrawArcPoint, void, DrawArc(const wxPoint& pt1, const wxPoint& pt2, const wxPoint& center));
169
170
171 DocStr(
172 DrawCheckMark,
173 "Draws a check mark inside the given rectangle.", "");
174 void DrawCheckMark(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
175 %Rename(DrawCheckMarkRect, void, DrawCheckMark(const wxRect& rect));
176
177 DocStr(
178 DrawEllipticArc,
179 "Draws an arc of an ellipse, with the given rectangle defining the
180 bounds of the ellipse. The current pen is used for drawing the arc and
181 the current brush is used for drawing the pie.
182
183 The *start* and *end* parameters specify the start and end of the arc
184 relative to the three-o'clock position from the center of the
185 rectangle. Angles are specified in degrees (360 is a complete
186 circle). Positive values mean counter-clockwise motion. If start is
187 equal to end, a complete ellipse will be drawn.", "");
188 void DrawEllipticArc(wxCoord x, wxCoord y, wxCoord w, wxCoord h, double start, double end);
189 %Rename(DrawEllipticArcPointSize, void, DrawEllipticArc(const wxPoint& pt, const wxSize& sz, double start, double end));
190
191
192 DocStr(
193 DrawPoint,
194 "Draws a point using the current pen.", "");
195 void DrawPoint(wxCoord x, wxCoord y);
196 %Rename(DrawPointPoint, void, DrawPoint(const wxPoint& pt));
197
198
199 DocStr(
200 DrawRectangle,
201 "Draws a rectangle with the given top left corner, and with the given
202 size. The current pen is used for the outline and the current brush
203 for filling the shape.", "");
204 void DrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
205 %Rename(DrawRectangleRect,void, DrawRectangle(const wxRect& rect));
206 %Rename(DrawRectanglePointSize, void, DrawRectangle(const wxPoint& pt, const wxSize& sz));
207
208
209 DocStr(
210 DrawRoundedRectangle,
211 "Draws a rectangle with the given top left corner, and with the given
212 size. The corners are quarter-circles using the given radius. The
213 current pen is used for the outline and the current brush for filling
214 the shape.
215
216 If radius is positive, the value is assumed to be the radius of the
217 rounded corner. If radius is negative, the absolute value is assumed
218 to be the proportion of the smallest dimension of the rectangle. This
219 means that the corner can be a sensible size relative to the size of
220 the rectangle, and also avoids the strange effects X produces when the
221 corners are too big for the rectangle.", "");
222 void DrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius);
223 %Rename(DrawRoundedRectangleRect, void, DrawRoundedRectangle(const wxRect& r, double radius));
224 %Rename(DrawRoundedRectanglePointSize, void, DrawRoundedRectangle(const wxPoint& pt, const wxSize& sz, double radius));
225
226
227 DocStr(
228 DrawCircle,
229 "Draws a circle with the given center point and radius. The current
230 pen is used for the outline and the current brush for filling the
231 shape.", "
232
233 :see: `DrawEllipse`");
234 void DrawCircle(wxCoord x, wxCoord y, wxCoord radius);
235 %Rename(DrawCirclePoint, void, DrawCircle(const wxPoint& pt, wxCoord radius));
236
237
238 DocStr(
239 DrawEllipse,
240 "Draws an ellipse contained in the specified rectangle. The current pen
241 is used for the outline and the current brush for filling the shape.", "
242
243 :see: `DrawCircle`");
244 void DrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
245 %Rename(DrawEllipseRect, void, DrawEllipse(const wxRect& rect));
246 %Rename(DrawEllipsePointSize, void, DrawEllipse(const wxPoint& pt, const wxSize& sz));
247
248
249 DocStr(
250 DrawIcon,
251 "Draw an icon on the display (does nothing if the device context is
252 PostScript). This can be the simplest way of drawing bitmaps on a
253 window.", "");
254 void DrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
255 %Rename(DrawIconPoint, void, DrawIcon(const wxIcon& icon, const wxPoint& pt));
256
257
258 DocStr(
259 DrawBitmap,
260 "Draw a bitmap on the device context at the specified point. If
261 *transparent* is true and the bitmap has a transparency mask, (or
262 alpha channel on the platforms that support it) then the bitmap will
263 be drawn transparently.", "
264
265 When drawing a mono-bitmap, the current text foreground colour will be
266 used to draw the foreground of the bitmap (all bits set to 1), and the
267 current text background colour to draw the background (all bits set to
268 0).
269
270 :see: `SetTextForeground`, `SetTextBackground` and `wx.MemoryDC`");
271 void DrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask = false);
272 %Rename(DrawBitmapPoint, void, DrawBitmap(const wxBitmap &bmp, const wxPoint& pt, bool useMask = false));
273
274
275 DocStr(
276 DrawText,
277 "Draws a text string at the specified point, using the current text
278 font, and the current text foreground and background colours.
279
280 The coordinates refer to the top-left corner of the rectangle bounding
281 the string. See `GetTextExtent` for how to get the dimensions of a
282 text string, which can be used to position the text more precisely.
283
284 **NOTE**: under wxGTK the current logical function is used by this
285 function but it is ignored by wxMSW. Thus, you should avoid using
286 logical functions with this function in portable programs.", "
287
288 :see: `DrawRotatedText`");
289 void DrawText(const wxString& text, wxCoord x, wxCoord y);
290 %Rename(DrawTextPoint, void, DrawText(const wxString& text, const wxPoint& pt));
291
292
293 DocStr(
294 DrawRotatedText,
295 "Draws the text rotated by *angle* degrees, if supported by the platform.
296
297 **NOTE**: Under Win9x only TrueType fonts can be drawn by this
298 function. In particular, a font different from ``wx.NORMAL_FONT``
299 should be used as the it is not normally a TrueType
300 font. ``wx.SWISS_FONT`` is an example of a font which is.","
301
302 :see: `DrawText`");
303 void DrawRotatedText(const wxString& text, wxCoord x, wxCoord y, double angle);
304 %Rename(DrawRotatedTextPoint, void, DrawRotatedText(const wxString& text, const wxPoint& pt, double angle));
305
306
307 DocDeclStr(
308 bool , Blit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
309 wxDC *source, wxCoord xsrc, wxCoord ysrc,
310 int rop = wxCOPY, bool useMask = false,
311 wxCoord xsrcMask = -1, wxCoord ysrcMask = -1),
312 "Copy from a source DC to this DC. Parameters specify the destination
313 coordinates, size of area to copy, source DC, source coordinates,
314 logical function, whether to use a bitmap mask, and mask source
315 position.", "
316
317 :param xdest: Destination device context x position.
318 :param ydest: Destination device context y position.
319 :param width: Width of source area to be copied.
320 :param height: Height of source area to be copied.
321 :param source: Source device context.
322 :param xsrc: Source device context x position.
323 :param ysrc: Source device context y position.
324 :param rop: Logical function to use: see `SetLogicalFunction`.
325 :param useMask: If true, Blit does a transparent blit using the mask
326 that is associated with the bitmap selected into the
327 source device context.
328 :param xsrcMask: Source x position on the mask. If both xsrcMask and
329 ysrcMask are -1, xsrc and ysrc will be assumed for
330 the mask source position.
331 :param ysrcMask: Source y position on the mask.
332 ");
333
334 DocDeclStrName(
335 bool , Blit(const wxPoint& destPt, const wxSize& sz,
336 wxDC *source, const wxPoint& srcPt,
337 int rop = wxCOPY, bool useMask = false,
338 const wxPoint& srcPtMask = wxDefaultPosition),
339 "Copy from a source DC to this DC. Parameters specify the destination
340 coordinates, size of area to copy, source DC, source coordinates,
341 logical function, whether to use a bitmap mask, and mask source
342 position.", "
343
344 :param destPt: Destination device context position.
345 :param sz: Size of source area to be copied.
346 :param source: Source device context.
347 :param srcPt: Source device context position.
348 :param rop: Logical function to use: see `SetLogicalFunction`.
349 :param useMask: If true, Blit does a transparent blit using the mask
350 that is associated with the bitmap selected into the
351 source device context.
352 :param srcPtMask: Source position on the mask.
353 ",
354 BlitPointSize);
355
356
357 DocStr(
358 SetClippingRegion,
359 "Sets the clipping region for this device context to the intersection
360 of the given region described by the parameters of this method and the
361 previously set clipping region. You should call `DestroyClippingRegion`
362 if you want to set the clipping region exactly to the region
363 specified.
364
365 The clipping region is an area to which drawing is
366 restricted. Possible uses for the clipping region are for clipping
367 text or for speeding up window redraws when only a known area of the
368 screen is damaged.", "
369
370 :see: `DestroyClippingRegion`, `wx.Region`");
371 void SetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
372 %Rename(SetClippingRegionPointSize, void, SetClippingRegion(const wxPoint& pt, const wxSize& sz));
373 %Rename(SetClippingRegionAsRegion, void, SetClippingRegion(const wxRegion& region));
374 %Rename(SetClippingRect, void, SetClippingRegion(const wxRect& rect));
375
376
377
378 DocDeclAStr(
379 void , DrawLines(int points, wxPoint* points_array,
380 wxCoord xoffset = 0, wxCoord yoffset = 0),
381 "DrawLines(self, List points, int xoffset=0, int yoffset=0)",
382 "Draws lines using a sequence of `wx.Point` objects, adding the
383 optional offset coordinate. The current pen is used for drawing the
384 lines.", "");
385
386
387 DocDeclAStr(
388 void , DrawPolygon(int points, wxPoint* points_array,
389 wxCoord xoffset = 0, wxCoord yoffset = 0,
390 int fillStyle = wxODDEVEN_RULE),
391 "DrawPolygon(self, List points, int xoffset=0, int yoffset=0,
392 int fillStyle=ODDEVEN_RULE)",
393 "Draws a filled polygon using a sequence of `wx.Point` objects, adding
394 the optional offset coordinate. The last argument specifies the fill
395 rule: ``wx.ODDEVEN_RULE`` (the default) or ``wx.WINDING_RULE``.
396
397 The current pen is used for drawing the outline, and the current brush
398 for filling the shape. Using a transparent brush suppresses
399 filling. Note that wxWidgets automatically closes the first and last
400 points.", "");
401
402
403 // TODO: Figure out a good typemap for this...
404 // Convert the first 3 args from a sequence of sequences?
405 // void DrawPolyPolygon(int n, int count[], wxPoint points[],
406 // wxCoord xoffset = 0, wxCoord yoffset = 0,
407 // int fillStyle = wxODDEVEN_RULE);
408
409
410 DocDeclStr(
411 void , DrawLabel(const wxString& text, const wxRect& rect,
412 int alignment = wxALIGN_LEFT | wxALIGN_TOP,
413 int indexAccel = -1),
414 "Draw *text* within the specified rectangle, abiding by the alignment
415 flags. Will additionally emphasize the character at *indexAccel* if
416 it is not -1.", "
417
418 :see: `DrawImageLabel`");
419
420
421 %extend {
422 DocStr(DrawImageLabel,
423 "Draw *text* and an image (which may be ``wx.NullBitmap`` to skip
424 drawing it) within the specified rectangle, abiding by the alignment
425 flags. Will additionally emphasize the character at *indexAccel* if
426 it is not -1. Returns the bounding rectangle.", "");
427 wxRect DrawImageLabel(const wxString& text,
428 const wxBitmap& image,
429 const wxRect& rect,
430 int alignment = wxALIGN_LEFT | wxALIGN_TOP,
431 int indexAccel = -1) {
432 wxRect rv;
433 self->DrawLabel(text, image, rect, alignment, indexAccel, &rv);
434 return rv;
435 }
436 }
437
438
439
440 DocDeclAStr(
441 void , DrawSpline(int points, wxPoint* points_array),
442 "DrawSpline(self, List points)",
443 "Draws a spline between all given control points, (a list of `wx.Point`
444 objects) using the current pen. The spline is drawn using a series of
445 lines, using an algorithm taken from the X drawing program 'XFIG'.", "");
446
447
448
449
450 // global DC operations
451 // --------------------
452
453 DocDeclStr(
454 virtual void , Clear(),
455 "Clears the device context using the current background brush.", "");
456
457
458 DocDeclStr(
459 virtual bool , StartDoc(const wxString& message),
460 "Starts a document (only relevant when outputting to a
461 printer). *Message* is a message to show whilst printing.", "");
462
463 DocDeclStr(
464 virtual void , EndDoc(),
465 "Ends a document (only relevant when outputting to a printer).", "");
466
467
468 DocDeclStr(
469 virtual void , StartPage(),
470 "Starts a document page (only relevant when outputting to a printer).", "");
471
472 DocDeclStr(
473 virtual void , EndPage(),
474 "Ends a document page (only relevant when outputting to a printer).", "");
475
476
477
478 // set objects to use for drawing
479 // ------------------------------
480
481 DocDeclStr(
482 virtual void , SetFont(const wxFont& font),
483 "Sets the current font for the DC. It must be a valid font, in
484 particular you should not pass ``wx.NullFont`` to this method.","
485
486 :see: `wx.Font`");
487
488 DocDeclStr(
489 virtual void , SetPen(const wxPen& pen),
490 "Sets the current pen for the DC.
491
492 If the argument is ``wx.NullPen``, the current pen is selected out of the
493 device context, and the original pen restored.", "
494
495 :see: `wx.Pen`");
496
497 DocDeclStr(
498 virtual void , SetBrush(const wxBrush& brush),
499 "Sets the current brush for the DC.
500
501 If the argument is ``wx.NullBrush``, the current brush is selected out
502 of the device context, and the original brush restored, allowing the
503 current brush to be destroyed safely.","
504
505 :see: `wx.Brush`");
506
507 DocDeclStr(
508 virtual void , SetBackground(const wxBrush& brush),
509 "Sets the current background brush for the DC.", "");
510
511 DocDeclStr(
512 virtual void , SetBackgroundMode(int mode),
513 "*mode* may be one of ``wx.SOLID`` and ``wx.TRANSPARENT``. This setting
514 determines whether text will be drawn with a background colour or
515 not.", "");
516
517 DocDeclStr(
518 virtual void , SetPalette(const wxPalette& palette),
519 "If this is a window DC or memory DC, assigns the given palette to the
520 window or bitmap associated with the DC. If the argument is
521 ``wx.NullPalette``, the current palette is selected out of the device
522 context, and the original palette restored.", "
523
524 :see: `wx.Palette`");
525
526
527
528 DocDeclStr(
529 virtual void , DestroyClippingRegion(),
530 "Destroys the current clipping region so that none of the DC is
531 clipped.", "
532
533 :see: `SetClippingRegion`");
534
535
536 DocDeclAStr(
537 void, GetClippingBox(wxCoord *OUTPUT, wxCoord *OUTPUT, wxCoord *OUTPUT, wxCoord *OUTPUT) const,
538 "GetClippingBox() -> (x, y, width, height)",
539 "Gets the rectangle surrounding the current clipping region.", "");
540
541 %extend {
542 DocStr(
543 GetClippingRect,
544 "Gets the rectangle surrounding the current clipping region.", "");
545 wxRect GetClippingRect() {
546 wxRect rect;
547 self->GetClippingBox(rect);
548 return rect;
549 }
550 }
551
552
553
554 // text extent
555 // -----------
556
557 DocDeclStr(
558 virtual wxCoord , GetCharHeight() const,
559 "Gets the character height of the currently set font.", "");
560
561 DocDeclStr(
562 virtual wxCoord , GetCharWidth() const,
563 "Gets the average character width of the currently set font.", "");
564
565
566
567 DocDeclAStr(
568 void, GetTextExtent(const wxString& string, wxCoord *OUTPUT, wxCoord *OUTPUT),
569 "GetTextExtent(wxString string) -> (width, height)",
570 "Get the width and height of the text using the current font. Only
571 works for single line strings.", "");
572
573 DocDeclAStrName(
574 void, GetTextExtent(const wxString& string,
575 wxCoord *OUTPUT, wxCoord *OUTPUT, wxCoord *OUTPUT, wxCoord* OUTPUT,
576 wxFont* font = NULL),
577 "GetFullTextExtent(wxString string, Font font=None) ->\n (width, height, descent, externalLeading)",
578 "Get the width, height, decent and leading of the text using the
579 current or specified font. Only works for single line strings.", "",
580 GetFullTextExtent);
581
582
583 // works for single as well as multi-line strings
584 DocDeclAStr(
585 void, GetMultiLineTextExtent(const wxString& text,
586 wxCoord *OUTPUT, wxCoord *OUTPUT, wxCoord *OUTPUT,
587 wxFont *font = NULL),
588 "GetMultiLineTextExtent(wxString string, Font font=None) ->\n (width, height, lineHeight)",
589 "Get the width, height, and line height of the text using the
590 current or specified font. Works for single as well as multi-line
591 strings.", "");
592
593
594 %extend {
595 DocAStr(GetPartialTextExtents,
596 "GetPartialTextExtents(self, text) -> [widths]",
597 "Returns a list of integers such that each value is the distance in
598 pixels from the begining of text to the coresponding character of
599 *text*. The generic version simply builds a running total of the widths
600 of each character using GetTextExtent, however if the various
601 platforms have a native API function that is faster or more accurate
602 than the generic implementation then it will be used instead.", "");
603 wxArrayInt GetPartialTextExtents(const wxString& text) {
604 wxArrayInt widths;
605 self->GetPartialTextExtents(text, widths);
606 return widths;
607 }
608 }
609
610
611 // size and resolution
612 // -------------------
613
614 DocStr(
615 GetSize,
616 "This gets the horizontal and vertical resolution in device units. It
617 can be used to scale graphics to fit the page. For example, if *maxX*
618 and *maxY* represent the maximum horizontal and vertical 'pixel' values
619 used in your application, the following code will scale the graphic to
620 fit on the printer page::
621
622 w, h = dc.GetSize()
623 scaleX = maxX*1.0 / w
624 scaleY = maxY*1.0 / h
625 dc.SetUserScale(min(scaleX,scaleY),min(scaleX,scaleY))
626 ", "");
627 wxSize GetSize();
628 DocDeclAName(
629 void, GetSize( int *OUTPUT, int *OUTPUT ),
630 "GetSizeTuple() -> (width, height)",
631 GetSizeTuple);
632
633
634 DocStr(GetSizeMM, "Get the DC size in milimeters.", "");
635 wxSize GetSizeMM() const;
636 DocDeclAName(
637 void, GetSizeMM( int *OUTPUT, int *OUTPUT ) const,
638 "GetSizeMMTuple() -> (width, height)",
639 GetSizeMMTuple);
640
641
642
643 // coordinates conversions
644 // -----------------------
645
646 DocDeclStr(
647 wxCoord , DeviceToLogicalX(wxCoord x) const,
648 "Convert device X coordinate to logical coordinate, using the current
649 mapping mode.", "");
650
651 DocDeclStr(
652 wxCoord , DeviceToLogicalY(wxCoord y) const,
653 "Converts device Y coordinate to logical coordinate, using the current
654 mapping mode.", "");
655
656 DocDeclStr(
657 wxCoord , DeviceToLogicalXRel(wxCoord x) const,
658 "Convert device X coordinate to relative logical coordinate, using the
659 current mapping mode but ignoring the x axis orientation. Use this
660 function for converting a width, for example.", "");
661
662 DocDeclStr(
663 wxCoord , DeviceToLogicalYRel(wxCoord y) const,
664 "Convert device Y coordinate to relative logical coordinate, using the
665 current mapping mode but ignoring the y axis orientation. Use this
666 function for converting a height, for example.", "");
667
668 DocDeclStr(
669 wxCoord , LogicalToDeviceX(wxCoord x) const,
670 "Converts logical X coordinate to device coordinate, using the current
671 mapping mode.", "");
672
673 DocDeclStr(
674 wxCoord , LogicalToDeviceY(wxCoord y) const,
675 "Converts logical Y coordinate to device coordinate, using the current
676 mapping mode.", "");
677
678 DocDeclStr(
679 wxCoord , LogicalToDeviceXRel(wxCoord x) const,
680 "Converts logical X coordinate to relative device coordinate, using the
681 current mapping mode but ignoring the x axis orientation. Use this for
682 converting a width, for example.", "");
683
684 DocDeclStr(
685 wxCoord , LogicalToDeviceYRel(wxCoord y) const,
686 "Converts logical Y coordinate to relative device coordinate, using the
687 current mapping mode but ignoring the y axis orientation. Use this for
688 converting a height, for example.", "");
689
690
691
692 // query DC capabilities
693 // ---------------------
694
695 virtual bool CanDrawBitmap() const;
696 virtual bool CanGetTextExtent() const;
697
698
699 DocDeclStr(
700 virtual int , GetDepth() const,
701 "Returns the colour depth of the DC.", "");
702
703
704 DocDeclStr(
705 virtual wxSize , GetPPI() const,
706 "Resolution in pixels per inch", "");
707
708
709 DocDeclStr(
710 virtual bool , IsOk() const,
711 "Returns true if the DC is ok to use.", "");
712 %pythoncode { Ok = IsOk }
713
714
715
716 DocDeclStr(
717 int , GetBackgroundMode() const,
718 "Returns the current background mode, either ``wx.SOLID`` or
719 ``wx.TRANSPARENT``.","
720
721 :see: `SetBackgroundMode`");
722
723 DocDeclStr(
724 const wxBrush& , GetBackground() const,
725 "Gets the brush used for painting the background.","
726
727 :see: `SetBackground`");
728
729 DocDeclStr(
730 const wxBrush& , GetBrush() const,
731 "Gets the current brush", "");
732
733 DocDeclStr(
734 const wxFont& , GetFont() const,
735 "Gets the current font", "");
736
737 DocDeclStr(
738 const wxPen& , GetPen() const,
739 "Gets the current pen", "");
740
741 DocDeclStr(
742 const wxColour& , GetTextBackground() const,
743 "Gets the current text background colour", "");
744
745 DocDeclStr(
746 const wxColour& , GetTextForeground() const,
747 "Gets the current text foreground colour", "");
748
749
750 DocDeclStr(
751 virtual void , SetTextForeground(const wxColour& colour),
752 "Sets the current text foreground colour for the DC.", "");
753
754 DocDeclStr(
755 virtual void , SetTextBackground(const wxColour& colour),
756 "Sets the current text background colour for the DC.", "");
757
758
759 DocDeclStr(
760 int , GetMapMode() const,
761 "Gets the current *mapping mode* for the device context ", "");
762
763 DocDeclStr(
764 virtual void , SetMapMode(int mode),
765 "The *mapping mode* of the device context defines the unit of
766 measurement used to convert logical units to device units. The
767 mapping mode can be one of the following:
768
769 ================ =============================================
770 wx.MM_TWIPS Each logical unit is 1/20 of a point, or 1/1440
771 of an inch.
772 wx.MM_POINTS Each logical unit is a point, or 1/72 of an inch.
773 wx.MM_METRIC Each logical unit is 1 mm.
774 wx.MM_LOMETRIC Each logical unit is 1/10 of a mm.
775 wx.MM_TEXT Each logical unit is 1 pixel.
776 ================ =============================================
777 ","
778 Note that in X, text drawing isn't handled consistently with the
779 mapping mode; a font is always specified in point size. However,
780 setting the user scale (see `SetUserScale`) scales the text
781 appropriately. In Windows, scalable TrueType fonts are always used; in
782 X, results depend on availability of fonts, but usually a reasonable
783 match is found.
784
785 The coordinate origin is always at the top left of the screen/printer.
786
787 Drawing to a Windows printer device context uses the current mapping
788 mode, but mapping mode is currently ignored for PostScript output.
789 ");
790
791
792
793 DocDeclAStr(
794 virtual void, GetUserScale(double *OUTPUT, double *OUTPUT) const,
795 "GetUserScale(self) -> (xScale, yScale)",
796 "Gets the current user scale factor (set by `SetUserScale`).", "");
797
798 DocDeclStr(
799 virtual void , SetUserScale(double x, double y),
800 "Sets the user scaling factor, useful for applications which require
801 'zooming'.", "");
802
803
804
805 DocDeclA(
806 virtual void, GetLogicalScale(double *OUTPUT, double *OUTPUT),
807 "GetLogicalScale() -> (xScale, yScale)");
808
809 virtual void SetLogicalScale(double x, double y);
810
811
812 wxPoint GetLogicalOrigin() const;
813 DocDeclAName(
814 void, GetLogicalOrigin(wxCoord *OUTPUT, wxCoord *OUTPUT) const,
815 "GetLogicalOriginTuple() -> (x,y)",
816 GetLogicalOriginTuple);
817
818 virtual void SetLogicalOrigin(wxCoord x, wxCoord y);
819 %extend {
820 void SetLogicalOriginPoint(const wxPoint& point) {
821 self->SetLogicalOrigin(point.x, point.y);
822 }
823 }
824
825
826 wxPoint GetDeviceOrigin() const;
827 DocDeclAName(
828 void, GetDeviceOrigin(wxCoord *OUTPUT, wxCoord *OUTPUT) const,
829 "GetDeviceOriginTuple() -> (x,y)",
830 GetDeviceOriginTuple);
831
832 virtual void SetDeviceOrigin(wxCoord x, wxCoord y);
833 %extend {
834 void SetDeviceOriginPoint(const wxPoint& point) {
835 self->SetDeviceOrigin(point.x, point.y);
836 }
837 }
838
839 DocDeclStr(
840 virtual void , SetAxisOrientation(bool xLeftRight, bool yBottomUp),
841 "Sets the x and y axis orientation (i.e., the direction from lowest to
842 highest values on the axis). The default orientation is the natural
843 orientation, e.g. x axis from left to right and y axis from bottom up.", "");
844
845
846 DocDeclStr(
847 int , GetLogicalFunction() const,
848 "Gets the current logical function (set by `SetLogicalFunction`).", "");
849
850 DocDeclStr(
851 virtual void , SetLogicalFunction(int function),
852 "Sets the current logical function for the device context. This
853 determines how a source pixel (from a pen or brush colour, or source
854 device context if using `Blit`) combines with a destination pixel in
855 the current device context.
856
857 The possible values and their meaning in terms of source and
858 destination pixel values are as follows:
859
860 ================ ==========================
861 wx.AND src AND dst
862 wx.AND_INVERT (NOT src) AND dst
863 wx.AND_REVERSE src AND (NOT dst)
864 wx.CLEAR 0
865 wx.COPY src
866 wx.EQUIV (NOT src) XOR dst
867 wx.INVERT NOT dst
868 wx.NAND (NOT src) OR (NOT dst)
869 wx.NOR (NOT src) AND (NOT dst)
870 wx.NO_OP dst
871 wx.OR src OR dst
872 wx.OR_INVERT (NOT src) OR dst
873 wx.OR_REVERSE src OR (NOT dst)
874 wx.SET 1
875 wx.SRC_INVERT NOT src
876 wx.XOR src XOR dst
877 ================ ==========================
878
879 The default is wx.COPY, which simply draws with the current
880 colour. The others combine the current colour and the background using
881 a logical operation. wx.INVERT is commonly used for drawing rubber
882 bands or moving outlines, since drawing twice reverts to the original
883 colour.
884 ", "");
885
886
887 DocDeclStr(
888 void , ComputeScaleAndOrigin(),
889 "Performs all necessary computations for given platform and context
890 type after each change of scale and origin parameters. Usually called
891 automatically internally after such changes.
892 ", "");
893
894
895
896 // DocDeclStr(
897 // virtual void , SetOptimization(bool optimize),
898 // "If *optimize* is true this function sets optimization mode on. This
899 // currently means that under X, the device context will not try to set a
900 // pen or brush property if it is known to be set already. This approach
901 // can fall down if non-wxWidgets code is using the same device context
902 // or window, for example when the window is a panel on which the
903 // windowing system draws panel items. The wxWidgets device context
904 // 'memory' will now be out of step with reality.
905
906 // Setting optimization off, drawing, then setting it back on again, is a
907 // trick that must occasionally be employed.", "");
908
909 // DocDeclStr(
910 // virtual bool , GetOptimization(),
911 // "Returns true if device context optimization is on. See
912 // `SetOptimization` for details.", "");
913
914 %pythoncode {
915 def SetOptimization(self, optimize):
916 pass
917 def GetOptimization(self):
918 return False
919
920 SetOptimization = wx._deprecated(SetOptimization)
921 GetOptimization = wx._deprecated(GetOptimization)
922 }
923
924
925 // bounding box
926 // ------------
927
928 DocDeclStr(
929 virtual void , CalcBoundingBox(wxCoord x, wxCoord y),
930 "Adds the specified point to the bounding box which can be retrieved
931 with `MinX`, `MaxX` and `MinY`, `MaxY` or `GetBoundingBox` functions.", "");
932
933 %extend {
934 DocStr(CalcBoundingBoxPoint,
935 "Adds the specified point to the bounding box which can be retrieved
936 with `MinX`, `MaxX` and `MinY`, `MaxY` or `GetBoundingBox` functions.","");
937 void CalcBoundingBoxPoint(const wxPoint& point) {
938 self->CalcBoundingBox(point.x, point.y);
939 }
940 }
941
942 DocDeclStr(
943 void , ResetBoundingBox(),
944 "Resets the bounding box: after a call to this function, the bounding
945 box doesn't contain anything.", "");
946
947
948 // Get the final bounding box of the PostScript or Metafile picture.
949 DocDeclStr(
950 wxCoord , MinX() const,
951 "Gets the minimum horizontal extent used in drawing commands so far.", "");
952
953 DocDeclStr(
954 wxCoord , MaxX() const,
955 "Gets the maximum horizontal extent used in drawing commands so far.", "");
956
957 DocDeclStr(
958 wxCoord , MinY() const,
959 "Gets the minimum vertical extent used in drawing commands so far.", "");
960
961 DocDeclStr(
962 wxCoord , MaxY() const,
963 "Gets the maximum vertical extent used in drawing commands so far.", "");
964
965
966
967 DocAStr(GetBoundingBox,
968 "GetBoundingBox() -> (x1,y1, x2,y2)",
969 "Returns the min and max points used in drawing commands so far.", "");
970 %extend {
971 void GetBoundingBox(int* OUTPUT, int* OUTPUT, int* OUTPUT, int* OUTPUT);
972 // See below for implementation
973 }
974
975 %pythoncode { def __nonzero__(self): return self.IsOk() };
976
977
978 #ifdef __WXMSW__
979 long GetHDC();
980 #endif
981
982
983 %extend { // See drawlist.cpp for impplementaion of these...
984 PyObject* _DrawPointList(PyObject* pyCoords, PyObject* pyPens, PyObject* pyBrushes)
985 {
986 return wxPyDrawXXXList(*self, wxPyDrawXXXPoint, pyCoords, pyPens, pyBrushes);
987 }
988
989 PyObject* _DrawLineList(PyObject* pyCoords, PyObject* pyPens, PyObject* pyBrushes)
990 {
991 return wxPyDrawXXXList(*self, wxPyDrawXXXLine, pyCoords, pyPens, pyBrushes);
992 }
993
994 PyObject* _DrawRectangleList(PyObject* pyCoords, PyObject* pyPens, PyObject* pyBrushes)
995 {
996 return wxPyDrawXXXList(*self, wxPyDrawXXXRectangle, pyCoords, pyPens, pyBrushes);
997 }
998
999 PyObject* _DrawEllipseList(PyObject* pyCoords, PyObject* pyPens, PyObject* pyBrushes)
1000 {
1001 return wxPyDrawXXXList(*self, wxPyDrawXXXEllipse, pyCoords, pyPens, pyBrushes);
1002 }
1003
1004 PyObject* _DrawPolygonList(PyObject* pyCoords, PyObject* pyPens, PyObject* pyBrushes)
1005 {
1006 return wxPyDrawXXXList(*self, wxPyDrawXXXPolygon, pyCoords, pyPens, pyBrushes);
1007 }
1008
1009 PyObject* _DrawTextList(PyObject* textList, PyObject* pyPoints,
1010 PyObject* foregroundList, PyObject* backgroundList) {
1011 return wxPyDrawTextList(*self, textList, pyPoints, foregroundList, backgroundList);
1012 }
1013 }
1014
1015 %pythoncode {
1016 def DrawPointList(self, points, pens=None):
1017 """
1018 Draw a list of points as quickly as possible.
1019
1020 :param points: A sequence of 2-element sequences representing
1021 each point to draw, (x,y).
1022 :param pens: If None, then the current pen is used. If a
1023 single pen then it will be used for all points. If
1024 a list of pens then there should be one for each point
1025 in points.
1026 """
1027 if pens is None:
1028 pens = []
1029 elif isinstance(pens, wx.Pen):
1030 pens = [pens]
1031 elif len(pens) != len(points):
1032 raise ValueError('points and pens must have same length')
1033 return self._DrawPointList(points, pens, [])
1034
1035
1036 def DrawLineList(self, lines, pens=None):
1037 """
1038 Draw a list of lines as quickly as possible.
1039
1040 :param lines: A sequence of 4-element sequences representing
1041 each line to draw, (x1,y1, x2,y2).
1042 :param pens: If None, then the current pen is used. If a
1043 single pen then it will be used for all lines. If
1044 a list of pens then there should be one for each line
1045 in lines.
1046 """
1047 if pens is None:
1048 pens = []
1049 elif isinstance(pens, wx.Pen):
1050 pens = [pens]
1051 elif len(pens) != len(lines):
1052 raise ValueError('lines and pens must have same length')
1053 return self._DrawLineList(lines, pens, [])
1054
1055
1056 def DrawRectangleList(self, rectangles, pens=None, brushes=None):
1057 """
1058 Draw a list of rectangles as quickly as possible.
1059
1060 :param rectangles: A sequence of 4-element sequences representing
1061 each rectangle to draw, (x,y, w,h).
1062 :param pens: If None, then the current pen is used. If a
1063 single pen then it will be used for all rectangles.
1064 If a list of pens then there should be one for each
1065 rectangle in rectangles.
1066 :param brushes: A brush or brushes to be used to fill the rectagles,
1067 with similar semantics as the pens parameter.
1068 """
1069 if pens is None:
1070 pens = []
1071 elif isinstance(pens, wx.Pen):
1072 pens = [pens]
1073 elif len(pens) != len(rectangles):
1074 raise ValueError('rectangles and pens must have same length')
1075 if brushes is None:
1076 brushes = []
1077 elif isinstance(brushes, wx.Brush):
1078 brushes = [brushes]
1079 elif len(brushes) != len(rectangles):
1080 raise ValueError('rectangles and brushes must have same length')
1081 return self._DrawRectangleList(rectangles, pens, brushes)
1082
1083
1084 def DrawEllipseList(self, ellipses, pens=None, brushes=None):
1085 """
1086 Draw a list of ellipses as quickly as possible.
1087
1088 :param ellipses: A sequence of 4-element sequences representing
1089 each ellipse to draw, (x,y, w,h).
1090 :param pens: If None, then the current pen is used. If a
1091 single pen then it will be used for all ellipses.
1092 If a list of pens then there should be one for each
1093 ellipse in ellipses.
1094 :param brushes: A brush or brushes to be used to fill the ellipses,
1095 with similar semantics as the pens parameter.
1096 """
1097 if pens is None:
1098 pens = []
1099 elif isinstance(pens, wx.Pen):
1100 pens = [pens]
1101 elif len(pens) != len(ellipses):
1102 raise ValueError('ellipses and pens must have same length')
1103 if brushes is None:
1104 brushes = []
1105 elif isinstance(brushes, wx.Brush):
1106 brushes = [brushes]
1107 elif len(brushes) != len(ellipses):
1108 raise ValueError('ellipses and brushes must have same length')
1109 return self._DrawEllipseList(ellipses, pens, brushes)
1110
1111
1112 def DrawPolygonList(self, polygons, pens=None, brushes=None):
1113 """
1114 Draw a list of polygons, each of which is a list of points.
1115
1116 :param polygons: A sequence of sequences of sequences.
1117 [[(x1,y1),(x2,y2),(x3,y3)...],
1118 [(x1,y1),(x2,y2),(x3,y3)...]]
1119
1120 :param pens: If None, then the current pen is used. If a
1121 single pen then it will be used for all polygons.
1122 If a list of pens then there should be one for each
1123 polygon.
1124 :param brushes: A brush or brushes to be used to fill the polygons,
1125 with similar semantics as the pens parameter.
1126 """
1127 if pens is None:
1128 pens = []
1129 elif isinstance(pens, wx.Pen):
1130 pens = [pens]
1131 elif len(pens) != len(polygons):
1132 raise ValueError('polygons and pens must have same length')
1133 if brushes is None:
1134 brushes = []
1135 elif isinstance(brushes, wx.Brush):
1136 brushes = [brushes]
1137 elif len(brushes) != len(polygons):
1138 raise ValueError('polygons and brushes must have same length')
1139 return self._DrawPolygonList(polygons, pens, brushes)
1140
1141
1142 def DrawTextList(self, textList, coords, foregrounds = None, backgrounds = None):
1143 """
1144 Draw a list of strings using a list of coordinants for positioning each string.
1145
1146 :param textList: A list of strings
1147 :param coords: A list of (x,y) positions
1148 :param foregrounds: A list of `wx.Colour` objects to use for the
1149 foregrounds of the strings.
1150 :param backgrounds: A list of `wx.Colour` objects to use for the
1151 backgrounds of the strings.
1152
1153 NOTE: Make sure you set Background mode to wx.Solid (DC.SetBackgroundMode)
1154 If you want backgrounds to do anything.
1155 """
1156 if type(textList) == type(''):
1157 textList = [textList]
1158 elif len(textList) != len(coords):
1159 raise ValueError('textlist and coords must have same length')
1160 if foregrounds is None:
1161 foregrounds = []
1162 elif isinstance(foregrounds, wx.Colour):
1163 foregrounds = [foregrounds]
1164 elif len(foregrounds) != len(coords):
1165 raise ValueError('foregrounds and coords must have same length')
1166 if backgrounds is None:
1167 backgrounds = []
1168 elif isinstance(backgrounds, wx.Colour):
1169 backgrounds = [backgrounds]
1170 elif len(backgrounds) != len(coords):
1171 raise ValueError('backgrounds and coords must have same length')
1172 return self._DrawTextList(textList, coords, foregrounds, backgrounds)
1173 }
1174
1175 %property(Background, GetBackground, SetBackground, doc="See `GetBackground` and `SetBackground`");
1176 %property(BackgroundMode, GetBackgroundMode, SetBackgroundMode, doc="See `GetBackgroundMode` and `SetBackgroundMode`");
1177 %property(BoundingBox, GetBoundingBox, doc="See `GetBoundingBox`");
1178 %property(Brush, GetBrush, SetBrush, doc="See `GetBrush` and `SetBrush`");
1179 %property(CharHeight, GetCharHeight, doc="See `GetCharHeight`");
1180 %property(CharWidth, GetCharWidth, doc="See `GetCharWidth`");
1181 %property(ClippingBox, GetClippingBox, doc="See `GetClippingBox`");
1182 %property(ClippingRect, GetClippingRect, SetClippingRect, doc="See `GetClippingRect` and `SetClippingRect`");
1183 %property(Depth, GetDepth, doc="See `GetDepth`");
1184 %property(DeviceOrigin, GetDeviceOrigin, SetDeviceOrigin, doc="See `GetDeviceOrigin` and `SetDeviceOrigin`");
1185 %property(Font, GetFont, SetFont, doc="See `GetFont` and `SetFont`");
1186 %property(FullTextExtent, GetFullTextExtent, doc="See `GetFullTextExtent`");
1187 %property(LogicalFunction, GetLogicalFunction, SetLogicalFunction, doc="See `GetLogicalFunction` and `SetLogicalFunction`");
1188 %property(LogicalOrigin, GetLogicalOrigin, SetLogicalOrigin, doc="See `GetLogicalOrigin` and `SetLogicalOrigin`");
1189 %property(LogicalScale, GetLogicalScale, SetLogicalScale, doc="See `GetLogicalScale` and `SetLogicalScale`");
1190 %property(MapMode, GetMapMode, SetMapMode, doc="See `GetMapMode` and `SetMapMode`");
1191 %property(MultiLineTextExtent, GetMultiLineTextExtent, doc="See `GetMultiLineTextExtent`");
1192 %property(Optimization, GetOptimization, SetOptimization, doc="See `GetOptimization` and `SetOptimization`");
1193 %property(PPI, GetPPI, doc="See `GetPPI`");
1194 %property(PartialTextExtents, GetPartialTextExtents, doc="See `GetPartialTextExtents`");
1195 %property(Pen, GetPen, SetPen, doc="See `GetPen` and `SetPen`");
1196 %property(Pixel, GetPixel, doc="See `GetPixel`");
1197 %property(PixelPoint, GetPixelPoint, doc="See `GetPixelPoint`");
1198 %property(Size, GetSize, doc="See `GetSize`");
1199 %property(SizeMM, GetSizeMM, doc="See `GetSizeMM`");
1200 %property(TextBackground, GetTextBackground, SetTextBackground, doc="See `GetTextBackground` and `SetTextBackground`");
1201 %property(TextExtent, GetTextExtent, doc="See `GetTextExtent`");
1202 %property(TextForeground, GetTextForeground, SetTextForeground, doc="See `GetTextForeground` and `SetTextForeground`");
1203 %property(UserScale, GetUserScale, SetUserScale, doc="See `GetUserScale` and `SetUserScale`");
1204 };
1205
1206
1207
1208 %{
1209 static void wxDC_GetBoundingBox(wxDC* dc, int* x1, int* y1, int* x2, int* y2) {
1210 *x1 = dc->MinX();
1211 *y1 = dc->MinY();
1212 *x2 = dc->MaxX();
1213 *y2 = dc->MaxY();
1214 }
1215 %}
1216
1217
1218 //---------------------------------------------------------------------------
1219 %newgroup
1220
1221 MustHaveApp(wxMemoryDC);
1222
1223 DocStr(wxMemoryDC,
1224 "A memory device context provides a means to draw graphics onto a
1225 bitmap. A bitmap must be selected into the new memory DC before it may
1226 be used for anything. Typical usage is as follows::
1227
1228 dc = wx.MemoryDC()
1229 dc.SelectObject(bitmap)
1230 # draw on the dc usign any of the Draw methods
1231 dc.SelectObject(wx.NullBitmap)
1232 # the bitmap now contains wahtever was drawn upon it
1233
1234 Note that the memory DC *must* be deleted (or the bitmap selected out
1235 of it) before a bitmap can be reselected into another memory DC.
1236 ", "");
1237
1238 class wxMemoryDC : public wxDC {
1239 public:
1240 DocCtorStr(
1241 wxMemoryDC(),
1242 "Constructs a new memory device context.
1243
1244 Use the Ok member to test whether the constructor was successful in
1245 creating a usable device context. Don't forget to select a bitmap into
1246 the DC before drawing on it.", "
1247
1248 :see: `MemoryDCFromDC`");
1249
1250 DocCtorStrName(
1251 wxMemoryDC(wxDC* oldDC),
1252 "Creates a DC that is compatible with the oldDC.", "",
1253 MemoryDCFromDC);
1254
1255
1256 DocDeclStr(
1257 void , SelectObject(const wxBitmap& bitmap),
1258 "Selects the bitmap into the device context, to use as the memory
1259 bitmap. Selecting the bitmap into a memory DC allows you to draw into
1260 the DC, and therefore the bitmap, and also to use Blit to copy the
1261 bitmap to a window.
1262
1263 If the argument is wx.NullBitmap (or some other uninitialised
1264 `wx.Bitmap`) the current bitmap is selected out of the device context,
1265 and the original bitmap restored, allowing the current bitmap to be
1266 destroyed safely.", "");
1267
1268 };
1269
1270 //---------------------------------------------------------------------------
1271 %newgroup
1272
1273
1274 %{
1275 #include <wx/dcbuffer.h>
1276 %}
1277
1278 enum {
1279 wxBUFFER_VIRTUAL_AREA,
1280 wxBUFFER_CLIENT_AREA
1281 };
1282
1283 MustHaveApp(wxBufferedDC);
1284
1285 DocStr(wxBufferedDC,
1286 "This simple class provides a simple way to avoid flicker: when drawing
1287 on it, everything is in fact first drawn on an in-memory buffer (a
1288 `wx.Bitmap`) and then copied to the screen only once, when this object
1289 is destroyed.
1290
1291 It can be used in the same way as any other device context.
1292 wx.BufferedDC itself typically replaces `wx.ClientDC`, if you want to
1293 use it in your EVT_PAINT handler, you should look at
1294 `wx.BufferedPaintDC`.
1295
1296 Please note that GTK+ 2.0 and OS X provide double buffering themselves
1297 natively so using this class on those platforms will normally result
1298 in an unneeded level of buffering.
1299 ", "");
1300
1301 class wxBufferedDC : public wxMemoryDC
1302 {
1303 public:
1304 %pythonAppend wxBufferedDC
1305 "self.__dc = args[0] # save a ref so the other dc will not be deleted before self";
1306
1307 %nokwargs wxBufferedDC;
1308
1309 DocStr(
1310 wxBufferedDC,
1311 "Constructs a buffered DC.", "
1312
1313 :param dc: The underlying DC: everything drawn to this object will
1314 be flushed to this DC when this object is destroyed. You may
1315 pass ``None`` in order to just initialize the buffer, and not
1316 flush it.
1317
1318 :param buffer: If a `wx.Size` object is passed as the 2nd arg then
1319 it is the size of the bitmap that will be created internally
1320 and used for an implicit buffer. If the 2nd arg is a
1321 `wx.Bitmap` then it is the explicit buffer that will be
1322 used. Using an explicit buffer is the most efficient solution
1323 as the bitmap doesn't have to be recreated each time but it
1324 also requires more memory as the bitmap is never freed. The
1325 bitmap should have appropriate size, anything drawn outside of
1326 its bounds is clipped. If wx.NullBitmap is used then a new
1327 buffer will be allocated that is the same size as the dc.
1328
1329 :param style: The style parameter indicates whether the supplied buffer is
1330 intended to cover the entire virtual size of a `wx.ScrolledWindow` or
1331 if it only covers the client area. Acceptable values are
1332 ``wx.BUFFER_VIRTUAL_AREA`` and ``wx.BUFFER_CLIENT_AREA``.
1333
1334 ");
1335 wxBufferedDC( wxDC* dc,
1336 const wxBitmap& buffer=wxNullBitmap,
1337 int style = wxBUFFER_CLIENT_AREA );
1338 wxBufferedDC( wxDC* dc,
1339 const wxSize& area,
1340 int style = wxBUFFER_CLIENT_AREA );
1341 wxBufferedDC(wxWindow* win,
1342 wxDC *dc,
1343 const wxSize &area,
1344 int style = wxBUFFER_CLIENT_AREA);
1345
1346
1347 DocCtorStr(
1348 ~wxBufferedDC(),
1349 "Copies everything drawn on the DC so far to the underlying DC
1350 associated with this object, if any.", "");
1351
1352
1353 DocDeclStr(
1354 void , UnMask(),
1355 "Blits the buffer to the dc, and detaches the dc from the buffer (so it
1356 can be effectively used once only). This is usually only called in
1357 the destructor.", "");
1358
1359 };
1360
1361
1362
1363
1364 MustHaveApp(wxBufferedPaintDC);
1365
1366 DocStr(wxBufferedPaintDC,
1367 "This is a subclass of `wx.BufferedDC` which can be used inside of an
1368 EVT_PAINT event handler. Just create an object of this class instead
1369 of `wx.PaintDC` and that's all you have to do to (mostly) avoid
1370 flicker. The only thing to watch out for is that if you are using this
1371 class together with `wx.ScrolledWindow`, you probably do **not** want
1372 to call `wx.Window.PrepareDC` on it as it already does this internally
1373 for the real underlying `wx.PaintDC`.
1374
1375 If your window is already fully buffered in a `wx.Bitmap` then your
1376 EVT_PAINT handler can be as simple as just creating a
1377 ``wx.BufferedPaintDC`` as it will `Blit` the buffer to the window
1378 automatically when it is destroyed. For example::
1379
1380 def OnPaint(self, event):
1381 dc = wx.BufferedPaintDC(self, self.buffer)
1382
1383
1384 ", "");
1385
1386 class wxBufferedPaintDC : public wxBufferedDC
1387 {
1388 public:
1389
1390 DocCtorStr(
1391 wxBufferedPaintDC( wxWindow *window,
1392 const wxBitmap &buffer = wxNullBitmap,
1393 int style = wxBUFFER_CLIENT_AREA),
1394 "Create a buffered paint DC. As with `wx.BufferedDC`, you may either
1395 provide the bitmap to be used for buffering or let this object create
1396 one internally (in the latter case, the size of the client part of the
1397 window is automatically used).", "");
1398
1399 };
1400
1401 //---------------------------------------------------------------------------
1402 %newgroup
1403
1404 MustHaveApp(wxScreenDC);
1405
1406 DocStr(wxScreenDC,
1407 "A wxScreenDC can be used to paint anywhere on the screen. This should
1408 normally be constructed as a temporary stack object; don't store a
1409 wxScreenDC object.
1410 ", "");
1411 class wxScreenDC : public wxDC {
1412 public:
1413 wxScreenDC();
1414
1415 DocDeclStrName(
1416 bool , StartDrawingOnTop(wxWindow* window),
1417 "Specify that the area of the screen to be drawn upon coincides with
1418 the given window.
1419
1420 :see: `EndDrawingOnTop`", "",
1421 StartDrawingOnTopWin);
1422
1423
1424 DocDeclStr(
1425 bool , StartDrawingOnTop(wxRect* rect = NULL),
1426 "Specify that the area is the given rectangle, or the whole screen if
1427 ``None`` is passed.
1428
1429 :see: `EndDrawingOnTop`", "");
1430
1431
1432 DocDeclStr(
1433 bool , EndDrawingOnTop(),
1434 "Use this in conjunction with `StartDrawingOnTop` or
1435 `StartDrawingOnTopWin` to ensure that drawing to the screen occurs on
1436 top of existing windows. Without this, some window systems (such as X)
1437 only allow drawing to take place underneath other windows.
1438
1439 You might use this pair of functions when implementing a drag feature,
1440 for example as in the `wx.SplitterWindow` implementation.
1441
1442 These functions are probably obsolete since the X implementations
1443 allow drawing directly on the screen now. However, the fact that this
1444 function allows the screen to be refreshed afterwards may be useful
1445 to some applications.", "");
1446
1447 };
1448
1449 //---------------------------------------------------------------------------
1450 %newgroup
1451
1452 MustHaveApp(wxWindowDC);
1453
1454 DocStr(wxWindowDC,
1455 "A wx.WindowDC must be constructed if an application wishes to paint on
1456 the whole area of a window (client and decorations). This should
1457 normally be constructed as a temporary stack object; don't store a
1458 wx.WindowDC object.","");
1459 class wxWindowDC : public wxDC {
1460 public:
1461 DocCtorStr(
1462 wxWindowDC(wxWindow* win),
1463 "Constructor. Pass the window on which you wish to paint.","");
1464 };
1465
1466 //---------------------------------------------------------------------------
1467 %newgroup
1468
1469 MustHaveApp(wxClientDC);
1470
1471 DocStr(wxClientDC,
1472 "A wx.ClientDC must be constructed if an application wishes to paint on
1473 the client area of a window from outside an EVT_PAINT event. This should
1474 normally be constructed as a temporary stack object; don't store a
1475 wx.ClientDC object long term.
1476
1477 To draw on a window from within an EVT_PAINT handler, construct a
1478 `wx.PaintDC` object.
1479
1480 To draw on the whole window including decorations, construct a
1481 `wx.WindowDC` object (Windows only).
1482 ", "");
1483 class wxClientDC : public wxWindowDC {
1484 public:
1485 DocCtorStr(
1486 wxClientDC(wxWindow* win),
1487 "Constructor. Pass the window on which you wish to paint.", "");
1488 };
1489
1490 //---------------------------------------------------------------------------
1491 %newgroup
1492
1493 MustHaveApp(wxPaintDC);
1494
1495 DocStr(wxPaintDC,
1496 "A wx.PaintDC must be constructed if an application wishes to paint on
1497 the client area of a window from within an EVT_PAINT event
1498 handler. This should normally be constructed as a temporary stack
1499 object; don't store a wx.PaintDC object. If you have an EVT_PAINT
1500 handler, you **must** create a wx.PaintDC object within it even if you
1501 don't actually use it.
1502
1503 Using wx.PaintDC within EVT_PAINT handlers is important because it
1504 automatically sets the clipping area to the damaged area of the
1505 window. Attempts to draw outside this area do not appear.
1506
1507 To draw on a window from outside EVT_PAINT handlers, construct a
1508 `wx.ClientDC` object.
1509 ","");
1510 class wxPaintDC : public wxClientDC {
1511 public:
1512 DocCtorStr(
1513 wxPaintDC(wxWindow* win),
1514 "Constructor. Pass the window on which you wish to paint.", "");
1515 };
1516
1517
1518
1519 //---------------------------------------------------------------------------
1520 %newgroup
1521
1522 %pythoncode {
1523 if 'wxMac' in wx.PlatformInfo or 'gtk2' in wx.PlatformInfo:
1524 _AutoBufferedPaintDCBase = PaintDC
1525 else:
1526 _AutoBufferedPaintDCBase = BufferedPaintDC
1527
1528 class AutoBufferedPaintDC(_AutoBufferedPaintDCBase):
1529 """
1530 If the current platform double buffers by default then this DC is the
1531 same as a plain `wx.PaintDC`, otherwise it is a `wx.BufferedPaintDC`.
1532 """
1533 def __init__(self, window):
1534 _AutoBufferedPaintDCBase.__init__(self, window)
1535 }
1536
1537 //---------------------------------------------------------------------------
1538 %newgroup
1539
1540 MustHaveApp(wxMirrorDC);
1541
1542 DocStr(wxMirrorDC,
1543 "wx.MirrorDC is a simple wrapper class which is always associated with a
1544 real `wx.DC` object and either forwards all of its operations to it
1545 without changes (no mirroring takes place) or exchanges x and y
1546 coordinates which makes it possible to reuse the same code to draw a
1547 figure and its mirror -- i.e. reflection related to the diagonal line
1548 x == y.", "");
1549 class wxMirrorDC : public wxDC
1550 {
1551 public:
1552 DocCtorStr(
1553 wxMirrorDC(wxDC& dc, bool mirror),
1554 "Creates a mirrored DC associated with the real *dc*. Everything drawn
1555 on the wx.MirrorDC will appear on the *dc*, and will be mirrored if
1556 *mirror* is True.","");
1557 };
1558
1559 //---------------------------------------------------------------------------
1560 %newgroup
1561
1562 %{
1563 #include <wx/dcps.h>
1564 %}
1565
1566 MustHaveApp(wxPostScriptDC);
1567
1568 DocStr(wxPostScriptDC,
1569 "This is a `wx.DC` that can write to PostScript files on any platform.","");
1570
1571 class wxPostScriptDC : public wxDC {
1572 public:
1573 DocCtorStr(
1574 wxPostScriptDC(const wxPrintData& printData),
1575 "Constructs a PostScript printer device context from a `wx.PrintData`
1576 object.", "");
1577
1578 wxPrintData& GetPrintData();
1579 void SetPrintData(const wxPrintData& data);
1580
1581 DocDeclStr(
1582 static void , SetResolution(int ppi),
1583 "Set resolution (in pixels per inch) that will be used in PostScript
1584 output. Default is 720ppi.", "");
1585
1586 DocDeclStr(
1587 static int , GetResolution(),
1588 "Return resolution used in PostScript output.", "");
1589
1590 %property(PrintData, GetPrintData, SetPrintData, doc="See `GetPrintData` and `SetPrintData`");
1591 };
1592
1593 //---------------------------------------------------------------------------
1594 %newgroup
1595
1596
1597 MustHaveApp(wxMetaFile);
1598 MustHaveApp(wxMetaFileDC);
1599
1600
1601 #if defined(__WXMSW__) || defined(__WXMAC__)
1602
1603 %{
1604 #include <wx/metafile.h>
1605 %}
1606
1607 class wxMetaFile : public wxObject {
1608 public:
1609 wxMetaFile(const wxString& filename = wxPyEmptyString);
1610 ~wxMetaFile();
1611
1612 bool IsOk();
1613 %pythoncode { Ok = IsOk }
1614 bool SetClipboard(int width = 0, int height = 0);
1615
1616 wxSize GetSize();
1617 int GetWidth();
1618 int GetHeight();
1619
1620 #ifdef __WXMSW__
1621 const wxString& GetFileName() const;
1622 #endif
1623
1624 %pythoncode { def __nonzero__(self): return self.IsOk() }
1625 };
1626
1627 // bool wxMakeMetaFilePlaceable(const wxString& filename,
1628 // int minX, int minY, int maxX, int maxY, float scale=1.0);
1629
1630
1631 class wxMetaFileDC : public wxDC {
1632 public:
1633 wxMetaFileDC(const wxString& filename = wxPyEmptyString,
1634 int width = 0, int height = 0,
1635 const wxString& description = wxPyEmptyString);
1636 wxMetaFile* Close();
1637 };
1638
1639
1640
1641 #else // Make some dummies for the other platforms
1642
1643 %{
1644 class wxMetaFile : public wxObject {
1645 public:
1646 wxMetaFile(const wxString&)
1647 { wxPyRaiseNotImplemented(); }
1648 };
1649
1650 class wxMetaFileDC : public wxClientDC {
1651 public:
1652 wxMetaFileDC(const wxString&, int, int, const wxString&)
1653 { wxPyRaiseNotImplemented(); }
1654 };
1655
1656 %}
1657
1658 class wxMetaFile : public wxObject {
1659 public:
1660 wxMetaFile(const wxString& filename = wxPyEmptyString);
1661 };
1662
1663 class wxMetaFileDC : public wxDC {
1664 public:
1665 wxMetaFileDC(const wxString& filename = wxPyEmptyString,
1666 int width = 0, int height = 0,
1667 const wxString& description = wxPyEmptyString);
1668 };
1669
1670
1671 #endif
1672
1673
1674 //---------------------------------------------------------------------------
1675
1676 MustHaveApp(wxPrinterDC);
1677
1678 #if defined(__WXMSW__) || defined(__WXMAC__)
1679
1680 class wxPrinterDC : public wxDC {
1681 public:
1682 wxPrinterDC(const wxPrintData& printData);
1683 };
1684
1685 #else
1686 %{
1687 class wxPrinterDC : public wxClientDC {
1688 public:
1689 wxPrinterDC(const wxPrintData&)
1690 { wxPyRaiseNotImplemented(); }
1691
1692 };
1693 %}
1694
1695 class wxPrinterDC : public wxDC {
1696 public:
1697 wxPrinterDC(const wxPrintData& printData);
1698 };
1699 #endif
1700
1701 //---------------------------------------------------------------------------
1702 //---------------------------------------------------------------------------